Magnetic properties of Fe-substituted NiBr2 single crystals

被引：0

作者：

Rai, Binod K. ^{[1
,2
]}

Gao, Shang ^{[1
,3
]}

Frontzek, Matthias ^{[3
]}

Liu, Yaohua ^{[3
,4
]}

Christianson, Andrew D. ^{[1
]}

May, Andrew F. ^{[1
]}

机构：

[1] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA

[2] Savannah River Natl Lab, Aiken, SC 29808 USA

[3] Oak Ridge Natl Lab, Neutron Scattering Div, Oak Ridge, TN 37831 USA

[4] Oak Ridge Natl Lab, Target Stn 2, Oak Ridge, TN 37831 USA

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2022年 / 557卷

关键词：

Anisotrop y; van der Waals; Transition metal halide; Incommensurate; Helical; ANTIFERRO-FAN TRANSITION; NEUTRON-DIFFRACTION; PHASE; COMMENSURATE;

D O I：

10.1016/j.jmmm.2022.169452

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

NiBr2 is a multiferroic material with an incommensurate magnetic ground state that has easy-plane anisotropy. This manuscript reports how the magnetic properties evolve with Fe substitution in Ni1-xFexBr2 single crystals for 0 <= x <= 0.17. A particular emphasis is placed on the x = 0.055 crystal , for which H vs. T magnetic phase diagrams were developed on the basis of anisotropic magnetization measurements. The observed phase evolution reveals a phase transition in the x = 0.055 crystal that is not present in NiBr2. The data also demonstrate that the easy-plane anisotropy of NiBr(2 )is altered by Fe substitution, with a finite easy-axis anisotropy developing at even the low concentration of x = 0.055. These results demonstrate that Fe substitution enables a fine-tuning of the magnetism in NiBr2, especially the magnetic anisotropy, and may therefore promote complex magnetic phases.

引用

页数：8

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